finn from adventure time.

Some sort of rock with sticks coming out of it in a nondescript scenario pretty much doing nothing

idk some red celphone ontop of a thing

Red Cellphone, riding a cloud named "A Thing"

wiggle wiggle wiggle wiggle wiggle wiggle wiggle

an octopus with a red head?

A purple octopus, sad that it has a red hat with orange dots on it.

A rather sad 5 legged octopus. He is wearing a red hat that has orange spots on it. It is unclear why he is so down in the dumps.

Sad purple octopus in a red hat is on her period, asshole.